Home / 864,878,631,487.05-1,296,409,810,169.10-290,995,507,436.22

Finding the Fourth Proportional to 864,878,631,487.05, 1,296,409,810,169.10 and 290,995,507,436.22

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Solution

The fourth proportional to 864,878,631,487.05, 1,296,409,810,169.10 and 290,995,507,436.22 is: 436,187,710,993.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,878,631,487.05 : 1,296,409,810,169.10 = 290,995,507,436.22 : x
  2. Step 2: Convert to fraction form
    864,878,631,487.05/1,296,409,810,169.10 = 290,995,507,436.22/x
  3. Step 3: Cross multiply
    864,878,631,487.05x = 1,296,409,810,169.10 × 290,995,507,436.22
  4. Step 4: Simplify right side
    864,878,631,487.05x = 377,249,430,555,450,885,013,504
  5. Step 5: Solve for x
    x = 377,249,430,555,450,885,013,504/864,878,631,487.05
  6. Step 6: Final answer
    x = 436,187,710,993.41

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.